Home / 112,072,858.40-168,109,287.60-99,601,709.60

Finding the Fourth Proportional to 112,072,858.40, 168,109,287.60 and 99,601,709.60

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Solution

The fourth proportional to 112,072,858.40, 168,109,287.60 and 99,601,709.60 is: 149,402,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072,858.40 : 168,109,287.60 = 99,601,709.60 : x
  2. Step 2: Convert to fraction form
    112,072,858.40/168,109,287.60 = 99,601,709.60/x
  3. Step 3: Cross multiply
    112,072,858.40x = 168,109,287.60 × 99,601,709.60
  4. Step 4: Simplify right side
    112,072,858.40x = 16,743,972,444,598,080
  5. Step 5: Solve for x
    x = 16,743,972,444,598,080/112,072,858.40
  6. Step 6: Final answer
    x = 149,402,564.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.